: having a forceful impact: producing a marked impressionimpactful song lyricsimpactful humanitarian efforts… the visually-impactful long scar on his neck reminds you of the unfortunate incident. —Griselda Flores
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impactful.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.